ok i'm supposed pic up a turbo 2. it went to the dyno and cut out at 5200. what could it be? fuel pump?

 

anybody?

 

What mods? How much boost? There's a fuel cut at 8.6psi.

 

Large street port from rotary ressurection with about 10k
Racing Beat 3" stainless steel dual exhaust
BNR stage 1 modified factory turbo
Racing Beat Fuel Cut Controller
Apex-i S-AFC II
720cc secondaries
Aftermarket Turbo inlet duct w/K&N filter
HKS Blow-Off/Pop-Off Valve
Magnacore Wires
also has boost and air/fuel gauge

 

I chased the exact same symtoms last month.
It finally ended up being the AFM.

https://www.rx7club.com/forum/showth...&highlight=AFM

 

this is kinda unnerving. I'm supposed to buy this car. I put a down payment and this happens. i'm suppose dot pick up tom. Anybody ...suggetions?

 

i dunno what fuel pump it has. maybe stock?

 

If it has a problem you can't fix, why just pass up on the sale?


-Ted

 

Re-negotiate the price..

 

i already put down payment

 

yes but in light of the new symtoms i dont think it is unreasonable at all to either ask for a lower price or have him pay to fix it.

 

he said he'd drop $250 off

 

how much does he want? how much boost are you running? IIRC the stock fuel pump can handle 10-12psi reguardless of injector size, 450's and 550's arent exactly small per say, adding 720's to the mix isnt going to change the maxium output of the stock fuel pump, i say, ride this dude for as much as you can get the price down, because cmon, if your going to sell a car, make sure it works first.


A few things you might want to check is to make sure the pump is getting a good voltage signal

FUEL FILTER would definalty be one of the things i would check

Pressure check the fuel system, even though the pump may be getting a good voltage reading, it could be tireing out and going bad, by the sounds of your mods it seems fitting for a new pump would help your tuning greatly

lastly, goodluck

 

i just found out it got a walbro 255